4.9.102-stable review

This is the start of the stable review cycle for the 4.9.102 release. There are 87 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.

Responses should be made by Tue May 22 21:03:57 UTC 2018. Anything received after that time might be too late.

The whole patch series can be found in one patch at:

	https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.102-rc1.gz

or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <[email protected]>

    Linux 4.9.102-rc1

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs: Rename SSBD_NO to SSB_NO

Tom Lendacky <[email protected]>
KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD

Thomas Gleixner <[email protected]>
x86/speculation, KVM: Implement support for VIRT_SPEC_CTRL/LS_CFG

Thomas Gleixner <[email protected]>
x86/bugs: Rework spec_ctrl base and mask logic

Thomas Gleixner <[email protected]>

    x86/bugs: Remove x86_spec_ctrl_set()

Thomas Gleixner <[email protected]>
x86/bugs: Expose x86_spec_ctrl_base directly

Borislav Petkov <[email protected]>

    x86/bugs: Unify x86_spec_ctrl_{set_guest,restore_host}

Thomas Gleixner <[email protected]>
x86/speculation: Rework speculative_store_bypass_update()

Tom Lendacky <[email protected]>
x86/speculation: Add virtualized speculative store bypass disable support

Thomas Gleixner <[email protected]>
x86/bugs, KVM: Extend speculation control for VIRT_SPEC_CTRL

Thomas Gleixner <[email protected]>
x86/speculation: Handle HT correctly on AMD

Thomas Gleixner <[email protected]>
x86/cpufeatures: Add FEATURE_ZEN

Borislav Petkov <[email protected]>

    x86/cpu/AMD: Fix erratum 1076 (CPB bit)

Thomas Gleixner <[email protected]>
x86/cpufeatures: Disentangle SSBD enumeration

Thomas Gleixner <[email protected]>
x86/cpufeatures: Disentangle MSR_SPEC_CTRL enumeration from IBRS

Borislav Petkov <[email protected]>
x86/speculation: Use synthetic bits for IBRS/IBPB/STIBP

Thomas Gleixner <[email protected]>
KVM: SVM: Move spec control call after restore of GS

Jim Mattson <[email protected]>
x86/cpu: Make alternative_msr_write work for 32-bit code

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs: Fix the parameters alignment and missing void

Jiri Kosina <[email protected]>
x86/bugs: Make cpu_show_common() static

Jiri Kosina <[email protected]>
x86/bugs: Fix __ssb_select_mitigation() return type

Borislav Petkov <[email protected]>
Documentation/spec_ctrl: Do some minor cleanups

Konrad Rzeszutek Wilk <[email protected]>
proc: Use underscores for SSBD in 'status'

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs: Rename _RDS to _SSBD

Kees Cook <[email protected]>
x86/speculation: Make "seccomp" the default mode for Speculative Store Bypass

Thomas Gleixner <[email protected]>
seccomp: Move speculation migitation control to arch code

Kees Cook <[email protected]>
seccomp: Add filter flag to opt-out of SSB mitigation

Thomas Gleixner <[email protected]>
seccomp: Use PR_SPEC_FORCE_DISABLE

Thomas Gleixner <[email protected]>
prctl: Add force disable speculation

Kees Cook <[email protected]>
x86/bugs: Make boot modes __ro_after_init

Kees Cook <[email protected]>
seccomp: Enable speculation flaw mitigations

Kees Cook <[email protected]>
proc: Provide details on speculation flaw mitigations

Kees Cook <[email protected]>
nospec: Allow getting/setting on non-current task

Thomas Gleixner <[email protected]>
x86/speculation: Add prctl for Speculative Store Bypass mitigation

Thomas Gleixner <[email protected]>
x86/process: Allow runtime control of Speculative Store Bypass

Thomas Gleixner <[email protected]>
x86/process: Optimize TIF_NOTSC switch

Kyle Huey <[email protected]>
x86/process: Correct and optimize TIF_BLOCKSTEP switch

Kyle Huey <[email protected]>
x86/process: Optimize TIF checks in __switch_to_xtra()

Thomas Gleixner <[email protected]>
prctl: Add speculation control prctls

Thomas Gleixner <[email protected]>
x86/speculation: Create spec-ctrl.h to avoid include hell

Konrad Rzeszutek Wilk <[email protected]>
x86/KVM/VMX: Expose SPEC_CTRL Bit(2) to the guest

David Woodhouse <[email protected]>
x86/bugs/AMD: Add support to disable RDS on Fam[15,16,17]h if requested

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs: Whitelist allowed SPEC_CTRL MSR values

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs/intel: Set proper CPU features and setup RDS

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs: Provide boot parameters for the spec_store_bypass_disable mitigation

Konrad Rzeszutek Wilk <[email protected]>
x86/cpufeatures: Add X86_FEATURE_RDS

Konrad Rzeszutek Wilk <[email protected]>

    x86/bugs: Expose /sys/../spec_store_bypass

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs, KVM: Support the combination of guest and host IBRS

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs: Read SPEC_CTRL MSR during boot and re-use reserved bits

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs: Concentrate bug reporting into a separate function

Konrad Rzeszutek Wilk <[email protected]>
x86/bugs: Concentrate bug detection into a separate function

Linus Torvalds <[email protected]>
x86/nospec: Simplify alternative_msr_write()

Liu Bo <[email protected]>
btrfs: fix reading stale metadata blocks after degraded raid1 mounts

David Woodhouse <[email protected]>
x86/amd: don't set X86_BUG_SYSRET_SS_ATTRS when running under Xen

Anand Jain <[email protected]>
btrfs: fix crash when trying to resume balance without the resume flag

Filipe Manana <[email protected]>
Btrfs: fix xattr loss after power failure

Masami Hiramatsu <[email protected]>
ARM: 8772/1: kprobes: Prohibit kprobes on get_user functions

Masami Hiramatsu <[email protected]>
ARM: 8770/1: kprobes: Prohibit probing on optimized_callback

Masami Hiramatsu <[email protected]>
ARM: 8769/1: kprobes: Fix to use get_kprobe_ctlblk after irq-disabed

Dexuan Cui <[email protected]>
tick/broadcast: Use for_each_cpu() specially on UP kernels

Masami Hiramatsu <[email protected]>
ARM: 8771/1: kprobes: Prohibit kprobes on do_undefinstr

Ard Biesheuvel <[email protected]>
efi: Avoid potential crashes, fix the 'struct efi_pci_io_protocol_32' definition for mixed mode

Dave Hansen <[email protected]>
x86/pkeys: Do not special case protection key 0

Dave Hansen <[email protected]>
x86/pkeys: Override pkey when moving away from PROT_EXEC

Martin Schwidefsky <[email protected]>
s390: remove indirect branch from do_softirq_own_stack

Julian Wiedmann <[email protected]>
s390/qdio: don't release memory in qdio_setup_irq()

Hendrik Brueckner <[email protected]>
s390/cpum_sf: ensure sample frequency of perf event attributes is non-zero

Julian Wiedmann <[email protected]>
s390/qdio: fix access to uninitialized qdio_q fields

Pavel Tatashin <[email protected]>
mm: don't allow deferred pages with NEED_PER_CPU_KM

Nicholas Piggin <[email protected]>
powerpc/powernv: Fix NVRAM sleep in invalid context when crashing

Alexander Monakov <[email protected]>
i2c: designware: fix poll-after-enable regression

Florian Westphal <[email protected]>
netfilter: nf_tables: can't fail after linking rule into active rule list

Steven Rostedt (VMware) <[email protected]>

    tracing/x86/xen: Remove zero data size trace events trace_xen_mmu_flush_tlb{_all}

Waiman Long <[email protected]>

    signals: avoid unnecessary taking of sighand->siglock

Benjamin Herrenschmidt <[email protected]>
powerpc: Don't preempt_disable() in show_cpuinfo()

Andre Przywara <[email protected]>
KVM: arm/arm64: VGIC/ITS: protect kvm_read_guest() calls with SRCU lock

Kamal Dasu <[email protected]>
spi: bcm-qspi: Always read and set BSPI_MAST_N_BOOT_CTRL

Kamal Dasu <[email protected]>
spi: bcm-qspi: Avoid setting MSPI_CDRAM_PCS for spi-nor master

Andy Shevchenko <[email protected]>
spi: pxa2xx: Allow 64-bit DMA

Wenwen Wang <[email protected]>
ALSA: control: fix a redundant-copy issue

Hans de Goede <[email protected]>
ALSA: hda: Add Lenovo C50 All in one to the power_save blacklist

Federico Cuello <[email protected]>

    ALSA: usb: mixer: volume quirk for CM102-A+/102S+

Shuah Khan (Samsung OSG) <[email protected]>
usbip: usbip_host: fix bad unlock balance during stub_probe()

Shuah Khan (Samsung OSG) <[email protected]>
usbip: usbip_host: fix NULL-ptr deref and use-after-free errors

Shuah Khan (Samsung OSG) <[email protected]>
usbip: usbip_host: run rebind from exit when module is removed

Shuah Khan (Samsung OSG) <[email protected]>
usbip: usbip_host: delete device from busid_table after rebind

Shuah Khan <[email protected]>
usbip: usbip_host: refine probe and disconnect debug msgs to be useful

-------------

Diffstat:

 Documentation/ABI/testing/sysfs-devices-system-cpu |   1 +
 Documentation/kernel-parameters.txt                |  45 +++
 Documentation/spec_ctrl.txt                        |  94 +++++
 Makefile                                           |   4 +-
 arch/arm/include/asm/assembler.h                   |  10 +
 arch/arm/include/asm/kvm_mmu.h                     |  16 +
 arch/arm/kernel/traps.c                            |   5 +-
 arch/arm/lib/getuser.S                             |  10 +
 arch/arm/probes/kprobes/opt-arm.c                  |   4 +-
 arch/arm64/include/asm/kvm_mmu.h                   |  16 +
 arch/powerpc/kernel/setup-common.c                 |  11 -
 arch/powerpc/platforms/powernv/opal-nvram.c        |  14 +-
 arch/s390/kernel/irq.c                             |   5 +-
 arch/s390/kernel/perf_cpum_sf.c                    |   4 +
 arch/x86/boot/compressed/eboot.c                   |   6 +-
 arch/x86/include/asm/cpufeatures.h                 |  20 +-
 arch/x86/include/asm/kvm_host.h                    |   2 +-
 arch/x86/include/asm/mmu_context.h                 |   2 +-
 arch/x86/include/asm/msr-index.h                   |  10 +
 arch/x86/include/asm/nospec-branch.h               |  43 ++-
 arch/x86/include/asm/pkeys.h                       |  18 +-
 arch/x86/include/asm/spec-ctrl.h                   |  80 +++++
 arch/x86/include/asm/thread_info.h                 |   6 +-
 arch/x86/include/asm/tlbflush.h                    |  10 +
 arch/x86/kernel/cpu/amd.c                          |  38 +-
 arch/x86/kernel/cpu/bugs.c                         | 397 ++++++++++++++++++++-
 arch/x86/kernel/cpu/common.c                       |  77 +++-
 arch/x86/kernel/cpu/cpu.h                          |   3 +
 arch/x86/kernel/cpu/intel.c                        |   3 +
 arch/x86/kernel/process.c                          | 224 +++++++++---
 arch/x86/kernel/smpboot.c                          |   5 +
 arch/x86/kvm/cpuid.c                               |  21 +-
 arch/x86/kvm/cpuid.h                               |  17 +-
 arch/x86/kvm/svm.c                                 |  64 ++--
 arch/x86/kvm/vmx.c                                 |  33 +-
 arch/x86/kvm/x86.c                                 |  13 +-
 arch/x86/mm/pkeys.c                                |  21 +-
 arch/x86/xen/enlighten.c                           |   4 +-
 arch/x86/xen/mmu.c                                 |   4 -
 drivers/base/cpu.c                                 |   8 +
 drivers/i2c/busses/i2c-designware-core.c           |   5 +-
 drivers/s390/cio/qdio_setup.c                      |  12 +-
 drivers/spi/spi-bcm-qspi.c                         |  28 +-
 drivers/spi/spi-pxa2xx.h                           |   2 +-
 drivers/usb/usbip/stub.h                           |   2 +
 drivers/usb/usbip/stub_dev.c                       |  43 ++-
 drivers/usb/usbip/stub_main.c                      | 105 +++++-
 fs/btrfs/ctree.c                                   |   6 +-
 fs/btrfs/tree-log.c                                |   7 +
 fs/btrfs/volumes.c                                 |   9 +
 fs/proc/array.c                                    |  27 +-
 include/linux/cpu.h                                |   2 +
 include/linux/efi.h                                |   8 +-
 include/linux/nospec.h                             |  10 +
 include/linux/sched.h                              |   9 +
 include/linux/seccomp.h                            |   3 +-
 include/linux/signal.h                             |  17 +
 include/trace/events/xen.h                         |  16 -
 include/uapi/linux/prctl.h                         |  12 +
 include/uapi/linux/seccomp.h                       |   4 +-
 kernel/seccomp.c                                   |  21 +-
 kernel/signal.c                                    |   7 +
 kernel/sys.c                                       |  23 ++
 kernel/time/tick-broadcast.c                       |   8 +
 mm/Kconfig                                         |   1 +
 net/netfilter/nf_tables_api.c                      |  59 +--
 sound/core/control_compat.c                        |   3 +-
 sound/pci/hda/hda_intel.c                          |   2 +
 sound/usb/mixer.c                                  |   8 +
 tools/testing/selftests/seccomp/seccomp_bpf.c      |  78 +++-
 virt/kvm/arm/vgic/vgic-its.c                       |  15 +-
 71 files changed, 1611 insertions(+), 309 deletions(-)